<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange"
              style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="100">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100"  sortable>
        <!-- 自定义展示状态的值    -->
                <template scope="scope">
                  <span v-if="scope.row.state == 1">启动</span>
                  <span v-else-if="scope.row.state == 0">禁用</span>
                  <span v-else>未知</span>
                </template>
      </el-table-column>

      <el-table-column prop="manager.username" label="部门经理" width="120">
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize"
                     :current-page="currentPage" :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--新增或编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="部门经理">
          <el-select v-model="editForm.manager" value-key="id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

          <el-form-item label="上级部门">
            <el-cascader
                v-model="editForm.parent"
                :options="options"
                :props="{ checkStrictly: true,value:'id', label:'name' }"
                clearable>
            </el-cascader>
          </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import {
  getDepartmentListPage,
  removeDepartment,
  batchRemoveDepartment,
  editDepartment,
  addDepartment
} from '../../api/api';

export default {
  data() {
    return {
      options:[],
      filters: {
        keyword: ''
      },
      employees:[],
      title:"",
      departments: [],
      total: 0,
      pageSize: 5,
      currentPage: 1,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        name: [
          {required: true, message: '请输入姓名', trigger: 'blur'}
        ],
        sn:[
          {required: true, message: '请输入编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      editForm: {
        id:null,
        sn: "",
        name: '',
        age: 0,
        manager: {},
        parent: {}
      },



    }
  },
  methods: {
    getDepartmentsTree(){
      this.$http.get("/dept/findDepartmentTree")
          .then(result=>{
            this.options = result.data
          }).catch(result=>{})
    },
// 定义的一个查询所有员工的函数
    getEmployees(){
      this.$http.get("/emp")
        .then(result=>{
          this.employees = result.data
        }).catch(result=>{})
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },
    search() {
      // 设置页码为第一页
      this.currentPage = 1;
      this.getDepartments();
    },
    //获取部门列表
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.filters.keyword
      };
      this.listLoading = true;
      //NProgress.start();
      this.$http.post("/dept", para)
          .then(result => {
            this.listLoading = false;
            result = result.data;
            this.total = result.total;
            this.departments = result.rows;
          }).catch(Result => {
        this.$message({
          message: '系统繁忙，请稍后重试！！',
          type: 'success'
        });
      })
    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.delete("/dept/" + row.id)
            .then(result => {
              // 1.获取后端传递的AjaxResult对象
              result = result.data;
              // 2.判断删除是否成功
              if (result.success) {
                // 删除成功
                // 1.给出成功提示
                this.$message({
                  message: result.message,
                  type: 'success'
                });
                // 2.修改页码为第一页
                this.currentPage = 1;
                // 3.调用函数刷新列表
                this.getDepartments();
              } else {
                // 删除失败
                // 删除成功
                // 1.给出失败提示
                this.$message({
                  message: result.message,
                  type: 'error'
                });
                // 2.修改页码为第一页
                this.currentPage = 1;
                // 3.调用函数刷新列表
                this.getDepartments();
              }
            })
            .catch(result => { // 接口调用失败
              // 1.关闭忙等框
              this.listLoading = false;
              // 2.给出自定义失败提示！
              this.$message({
                message: '系统繁忙，请重试！',
                type: 'error'
              });
            })
      }).catch(() => {

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.title = "编辑";
      this.editFormVisible = true;
      this.editForm = Object.assign({}, row);
      let arr = this.editForm.dirPath.split("/");
      let echo=[];
      for (var i=1;i<arr.length-1;i++){
        echo.push(parseInt(arr[i]));
      }
      this.editForm.parent=echo;
    },
    //显示新增界面
    handleAdd: function () {
      this.title = "新增";
      this.editFormVisible = true;
      this.editForm = {
        id:null,
        sn: "",
        name: '',
        age: 0,
        manager: {},
        parent: {}
      };
    },
    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.editLoading = true; // 开启提交按钮忙等
            let para = Object.assign({}, this.editForm); // 表单数据拷贝
           if (para.parent){
             para.parent = {id:para.parent[para.parent.length-1]}
           }
            // 1.发送Axios请求
            this.$http.put("/dept", para)
                .then(result=>{
                  // 1.关闭提交按钮忙等
                  this.editLoading = false;
                  // 2.关闭弹出框
                  this.editFormVisible = false;
                  // 3.获取后端传递的AjaxResult对象
                  result = result.data;
                  // 4.判断删除是否成功
                  if (result.success){
                    // 删除成功
                    // 1.给出成功提示
                    this.$message({
                      message: result.message,
                      type: 'success'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  }else {
                    // 删除失败
                    // 删除成功
                    // 1.给出失败提示
                    this.$message({
                      message: result.message,
                      type: 'error'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  }
                })
                .catch(result=>{ // 接口调用失败
                  // 1.关闭忙等框
                  this.listLoading = false;
                  // 2.给出自定义失败提示！
                  this.$message({
                    message: '系统繁忙，请重试！',
                    type: 'error'
                  });
                })
          });
        }
      });
    },

    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      // 从用户选中的数据中获取到id
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/dept", ids)
            .then(result=>{
              // 1.获取后端传递的AjaxResult对象
              result = result.data;
              // 2.判断删除是否成功
              if (result.success){
                // 删除成功
                // 1.给出成功提示
                this.$message({
                  message: result.message,
                  type: 'success'
                });
                // 2.修改页码为第一页
                this.currentPage = 1;
                // 3.调用函数刷新列表
                this.getDepartments();
              }else {
                // 删除失败
                // 删除成功
                // 1.给出失败提示
                this.$message({
                  message: result.message,
                  type: 'error'
                });
                // 2.修改页码为第一页
                this.currentPage = 1;
                // 3.调用函数刷新列表
                this.getDepartments();
              }
            })
            .catch(result=>{ // 接口调用失败
              // 1.关闭忙等框
              this.listLoading = false;
              // 2.给出自定义失败提示！
              this.$message({
                message: '系统繁忙，请重试！',
                type: 'error'
              });
            })
      }).catch(() => {

      });
    }
  },
  mounted() {
    this.getDepartments();
    this.getEmployees();
    this.getDepartmentsTree()
  }
}

</script>

<style scoped>

</style>